DE3883858T2 - Verstärker mit hohem Dynamikbereich und Verzerrungsdetektor. - Google Patents
Verstärker mit hohem Dynamikbereich und Verzerrungsdetektor.Info
- Publication number
- DE3883858T2 DE3883858T2 DE88108772T DE3883858T DE3883858T2 DE 3883858 T2 DE3883858 T2 DE 3883858T2 DE 88108772 T DE88108772 T DE 88108772T DE 3883858 T DE3883858 T DE 3883858T DE 3883858 T2 DE3883858 T2 DE 3883858T2
- Authority
- DE
- Germany
- Prior art keywords
- transistor
- terminal
- distortion
- transistors
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 230000002596 correlated effect Effects 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000000670 limiting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3217—Modifications of amplifiers to reduce non-linear distortion in single ended push-pull amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8720950A IT1208223B (it) | 1987-06-18 | 1987-06-18 | Stadio aplificatore ad elevata dinamica con rivelazione della distorsione. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3883858D1 DE3883858D1 (de) | 1993-10-14 |
DE3883858T2 true DE3883858T2 (de) | 1994-01-05 |
Family
ID=11174504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88108772T Expired - Fee Related DE3883858T2 (de) | 1987-06-18 | 1988-06-01 | Verstärker mit hohem Dynamikbereich und Verzerrungsdetektor. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4849713A (it) |
EP (1) | EP0295497B1 (it) |
JP (1) | JP2665769B2 (it) |
DE (1) | DE3883858T2 (it) |
IT (1) | IT1208223B (it) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8900507A (nl) * | 1989-03-02 | 1990-10-01 | Philips Nv | Versterkerschakeling met verzadigingsdetectie. |
IT1229777B (it) * | 1989-05-22 | 1991-09-11 | Sgs Thomson Microelectronics | Circuito per la limitazione della temperatura senza distorsione per amplificatori audio di potenza. |
US5239693A (en) * | 1990-10-31 | 1993-08-24 | Motorola, Inc. | Amplifier level-setting apparatus |
WO1992007908A1 (fr) * | 1990-11-02 | 1992-05-14 | Sumitomo Chemical Company, Limited | Composition de resine thermoplastique |
JP3656758B2 (ja) * | 1991-05-08 | 2005-06-08 | 富士通株式会社 | 動作状態検出回路 |
US5278994A (en) * | 1991-06-03 | 1994-01-11 | Motorola, Inc. | Power amplifier saturation detection and correction method and apparatus |
US5327101A (en) * | 1993-07-02 | 1994-07-05 | Ford Motor Company | Distortion-free limiter for a power amplifier |
IT1268475B1 (it) * | 1993-11-12 | 1997-03-04 | Sgs Thomson Microelectronics | Controllo della distorsione in amplificatori a tensione di alimentazione variabile e massima dinamica di uscita |
DE4340167A1 (de) * | 1993-11-25 | 1995-06-01 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur Begrenzung von Verzerrungen von Audiosignalen |
EP1164695B1 (en) * | 2000-06-13 | 2006-09-06 | STMicroelectronics S.r.l. | Circuit for detecting distortion in an amplifier, in particular an audio amplifier |
US6871473B1 (en) * | 2000-08-10 | 2005-03-29 | Pactiv Corporation | Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener |
EP1184672B1 (en) * | 2000-09-01 | 2006-03-29 | STMicroelectronics S.r.l. | Adjustable harmonic distortion detector, and method using same detector |
KR100403637B1 (ko) * | 2002-01-26 | 2003-10-30 | 삼성전자주식회사 | 출력 일그러짐을 최소화하는 파워 앰프 클리핑 회로 |
US8369944B2 (en) | 2007-06-06 | 2013-02-05 | Zoll Medical Corporation | Wearable defibrillator with audio input/output |
US8271082B2 (en) | 2007-06-07 | 2012-09-18 | Zoll Medical Corporation | Medical device configured to test for user responsiveness |
US8140154B2 (en) | 2007-06-13 | 2012-03-20 | Zoll Medical Corporation | Wearable medical treatment device |
US7974689B2 (en) | 2007-06-13 | 2011-07-05 | Zoll Medical Corporation | Wearable medical treatment device with motion/position detection |
JP5922103B2 (ja) | 2010-05-18 | 2016-05-24 | ゾール メディカル コーポレイションZOLL Medical Corporation | 複数の検知電極を備えた着用可能な携行型医療装置 |
WO2011146448A1 (en) | 2010-05-18 | 2011-11-24 | Zoll Medical Corporation | Wearable therapeutic device |
US9937355B2 (en) | 2010-11-08 | 2018-04-10 | Zoll Medical Corporation | Remote medical device alarm |
JP5963767B2 (ja) | 2010-12-09 | 2016-08-03 | ゾール メディカル コーポレイションZOLL Medical Corporation | 電極アセンブリ |
WO2012078937A1 (en) | 2010-12-10 | 2012-06-14 | Zoll Medical Corporation | Wearable therapeutic device |
US9427564B2 (en) | 2010-12-16 | 2016-08-30 | Zoll Medical Corporation | Water resistant wearable medical device |
WO2012135062A1 (en) | 2011-03-25 | 2012-10-04 | Zoll Medical Corporation | Selection of optimal channel for rate determination |
US9684767B2 (en) | 2011-03-25 | 2017-06-20 | Zoll Medical Corporation | System and method for adapting alarms in a wearable medical device |
US8600486B2 (en) | 2011-03-25 | 2013-12-03 | Zoll Medical Corporation | Method of detecting signal clipping in a wearable ambulatory medical device |
US9135398B2 (en) | 2011-03-25 | 2015-09-15 | Zoll Medical Corporation | System and method for adapting alarms in a wearable medical device |
WO2012151160A1 (en) | 2011-05-02 | 2012-11-08 | Zoll Medical Corporation | Patient-worn energy delivery apparatus and techniques for sizing same |
BR112014003953A2 (pt) | 2011-09-01 | 2017-06-13 | Zoll Medical Corporation | dispositivo de tratamento e monitoramento de vestir |
US8983597B2 (en) | 2012-05-31 | 2015-03-17 | Zoll Medical Corporation | Medical monitoring and treatment device with external pacing |
US11097107B2 (en) | 2012-05-31 | 2021-08-24 | Zoll Medical Corporation | External pacing device with discomfort management |
US10328266B2 (en) | 2012-05-31 | 2019-06-25 | Zoll Medical Corporation | External pacing device with discomfort management |
US9999393B2 (en) | 2013-01-29 | 2018-06-19 | Zoll Medical Corporation | Delivery of electrode gel using CPR puck |
US8880196B2 (en) | 2013-03-04 | 2014-11-04 | Zoll Medical Corporation | Flexible therapy electrode |
US9065408B2 (en) | 2013-03-14 | 2015-06-23 | Rgb Systems, Inc. | Voltage controlled amplifier and method of using the same |
US9597523B2 (en) | 2014-02-12 | 2017-03-21 | Zoll Medical Corporation | System and method for adapting alarms in a wearable medical device |
WO2016100906A1 (en) | 2014-12-18 | 2016-06-23 | Zoll Medical Corporation | Pacing device with acoustic sensor |
US10321877B2 (en) | 2015-03-18 | 2019-06-18 | Zoll Medical Corporation | Medical device with acoustic sensor |
US10729910B2 (en) | 2015-11-23 | 2020-08-04 | Zoll Medical Corporation | Garments for wearable medical devices |
US11617538B2 (en) | 2016-03-14 | 2023-04-04 | Zoll Medical Corporation | Proximity based processing systems and methods |
US11009870B2 (en) | 2017-06-06 | 2021-05-18 | Zoll Medical Corporation | Vehicle compatible ambulatory defibrillator |
US11890461B2 (en) | 2018-09-28 | 2024-02-06 | Zoll Medical Corporation | Adhesively coupled wearable medical device |
US11568984B2 (en) | 2018-09-28 | 2023-01-31 | Zoll Medical Corporation | Systems and methods for device inventory management and tracking |
EP3902598A1 (en) | 2018-12-28 | 2021-11-03 | Zoll Medical Corporation | Wearable medical device response mechanisms and methods of use |
CN213609416U (zh) | 2019-10-09 | 2021-07-06 | Zoll医疗公司 | 治疗电极部件和可穿戴式治疗装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048573A (en) * | 1976-10-15 | 1977-09-13 | Mcintosh Laboratory, Incorporated | Amplifier improvements for limiting clipping |
JPS55132111A (en) * | 1979-03-31 | 1980-10-14 | Toshiba Corp | Power amplifying circuit |
-
1987
- 1987-06-18 IT IT8720950A patent/IT1208223B/it active
-
1988
- 1988-06-01 DE DE88108772T patent/DE3883858T2/de not_active Expired - Fee Related
- 1988-06-01 EP EP88108772A patent/EP0295497B1/en not_active Expired - Lifetime
- 1988-06-06 US US07/202,846 patent/US4849713A/en not_active Expired - Lifetime
- 1988-06-17 JP JP63151055A patent/JP2665769B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0295497A3 (en) | 1990-07-25 |
JP2665769B2 (ja) | 1997-10-22 |
JPS6417504A (en) | 1989-01-20 |
DE3883858D1 (de) | 1993-10-14 |
EP0295497B1 (en) | 1993-09-08 |
EP0295497A2 (en) | 1988-12-21 |
US4849713A (en) | 1989-07-18 |
IT8720950A0 (it) | 1987-06-18 |
IT1208223B (it) | 1989-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: STMICROELECTRONICS S.R.L., AGRATE BRIANZA, MAILAND |
|
8339 | Ceased/non-payment of the annual fee |